Zone Forecast Product
Issued by NWS St. Louis, MO

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FPUS53 KLSX 011359
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
858 AM CDT Thu Oct 1 2026

ILZ100-101-MOZ061-063-064-012100-
Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO-
Saint Louis City MO-
Including the cities of Alton, Edwardsville, Belleville, Cahokia,
Saint Charles, and Saint Louis
858 AM CDT Thu Oct 1 2026

.TODAY...Mostly cloudy. A slight chance of showers this morning,
then a chance of showers and thunderstorms this afternoon. Highs
in the upper 80s. Temperature falling into the lower 80s this
afternoon. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Chance of rain 50 percent.
.TONIGHT...Showers with a chance of thunderstorms. Cooler with
lows in the lower 60s. Northwest winds 5 to 10 mph, becoming
north with gusts up to 25 mph after midnight. Chance of rain near
100 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then mostly sunny in the afternoon. Much cooler with highs in the
upper 60s. North winds 10 to 15 mph with gusts up to 25 mph.
Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly clear. Cooler with lows around 50.
Northeast winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the lower 70s. Northeast winds 5 to
10 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows in the
lower 50s. Highs in the mid 70s.
.MONDAY AND MONDAY NIGHT...Clear. Highs in the lower 70s. Lows in
the upper 40s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s.

$$

MOZ042-049-050-012100-
Audrain MO-Osage MO-Callaway MO-
Including the cities of Mexico and Fulton
858 AM CDT Thu Oct 1 2026

.TODAY...Showers likely with a slight chance of thunderstorms
this morning, then showers with a chance of thunderstorms this
afternoon. Cooler. Near steady temperature in the lower 70s.
Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of
rain near 100 percent.
.TONIGHT...A chance of thunderstorms. Showers, cooler with lows
in the upper 50s. North winds 10 to 15 mph with gusts up to
30 mph. Chance of rain 90 percent.
.FRIDAY...Mostly sunny. Less humid with highs in the upper 60s.
Northeast winds 10 to 15 mph. Gusts up to 30 mph in the morning.
.FRIDAY NIGHT...Mostly clear. Cooler with lows in the upper 40s.
Northeast winds 5 to 10 mph.
.SATURDAY...Sunny. Highs around 70. East winds around 5 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows around 50. Highs
in the mid 70s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows in the upper
40s. Highs in the upper 60s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the lower 50s.
.WEDNESDAY...Sunny. Highs in the mid 70s.

$$

MOZ041-047-048-012100-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
858 AM CDT Thu Oct 1 2026

.TODAY...Showers with a chance of thunderstorms. Cooler with
highs in the mid 70s. Southwest winds 5 to 10 mph with gusts up
to 25 mph. Chance of rain near 100 percent.
.TONIGHT...A chance of thunderstorms. Showers, cooler with lows
in the upper 50s. North winds 10 to 15 mph with gusts up to
30 mph. Chance of rain 90 percent.
.FRIDAY...Sunny. Less humid with highs in the upper 60s.
Northeast winds 10 to 15 mph. Gusts up to 30 mph in the morning.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast
winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the lower 70s. East winds around
5 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 50s.
Highs in the mid 70s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows around 50. Highs
around 70.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the lower
70s. Lows in the mid 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s.

$$

ILZ095>097-MOZ018-019-026-027-034>036-012100-
Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO-
Monroe MO-Ralls MO-Pike MO-
Including the cities of Quincy, Mount Sterling, Pittsfield,
Hannibal, and Bowling Green
858 AM CDT Thu Oct 1 2026

.TODAY...Showers. A slight chance of thunderstorms this morning,
then a chance of thunderstorms this afternoon. Cooler. Near
steady temperature in the lower 70s. South winds 5 to 10 mph,
becoming west this afternoon. Gusts up to 25 mph. Chance of rain
near 100 percent.
.TONIGHT...Cloudy. Showers with a slight chance of thunderstorms
in the evening, then a chance of showers after midnight. Much
cooler with lows in the mid 50s. North winds 10 to 15 mph with
gusts up to 30 mph. Chance of rain 90 percent.
.FRIDAY...Sunny. Less humid with highs in the mid 60s. North
winds 10 to 15 mph. Gusts up to 30 mph in the morning.
.FRIDAY NIGHT...Clear. Lows in the upper 40s. Northeast winds
5 to 10 mph.
.SATURDAY...Sunny. Highs in the upper 60s. East winds around
5 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 50s.
Highs in the lower 70s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows in the upper
40s. Highs in the upper 60s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the upper
60s. Lows in the mid 50s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s.

$$

ILZ069-070-074-012100-
Clinton IL-Marion IL-Washington IL-
Including the cities of Centralia and Salem
858 AM CDT Thu Oct 1 2026

.TODAY...Partly sunny this morning, then mostly cloudy with a
slight chance of showers and thunderstorms this afternoon. Highs
around 90. South winds 10 to 15 mph with gusts up to 25 mph.
Chance of rain 20 percent.
.TONIGHT...A slight chance of thunderstorms. A chance of showers
in the evening, then showers after midnight. Lows in the lower
60s. West winds 5 to 10 mph, becoming north after midnight. Gusts
up to 25 mph. Chance of rain near 100 percent.
.FRIDAY...Cloudy with showers likely in the morning, then partly
sunny with a slight chance of showers in the afternoon. Much
cooler with highs in the upper 60s. North winds 10 to 15 mph with
gusts up to 25 mph. Chance of rain 70 percent.
.FRIDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Cooler with lows around 50. Northeast winds 5 to
10 mph.
.SATURDAY...Sunny. Highs in the lower 70s. Northeast winds 5 to
10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the mid 70s.
Lows in the lower 50s.
.MONDAY THROUGH TUESDAY...Clear. Highs in the lower 70s. Lows in
the mid 40s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
40s. Highs in the upper 70s.

$$

MOZ074-084-085-099-012100-
Saint Francois MO-Iron MO-Madison MO-Reynolds MO-
Including the city of Farmington
858 AM CDT Thu Oct 1 2026

.TODAY...Partly sunny this morning, then mostly cloudy with a
slight chance of showers and thunderstorms this afternoon. Highs
in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph.
Chance of rain 20 percent.
.TONIGHT...A chance of showers with a slight chance of
thunderstorms in the evening, then showers with a chance of
thunderstorms after midnight. Lows in the lower 60s. West winds
5 to 10 mph with gusts up to 20 mph, becoming north after
midnight. Chance of rain near 100 percent.
.FRIDAY...Cloudy with showers with a chance of thunderstorms in
the morning, then partly sunny with a chance of showers in the
afternoon. Much cooler with highs in the upper 60s. North winds
5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.
.FRIDAY NIGHT...Partly cloudy. Cooler. Less humid with lows in
the lower 50s. Northeast winds 5 to 10 mph. Gusts up to 25 mph in
the evening.
.SATURDAY...Mostly sunny. Highs in the lower 70s. Northeast winds
around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the mid 70s.
Lows in the lower 50s.
.MONDAY THROUGH TUESDAY...Clear. Highs in the lower 70s. Lows in
the mid 40s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the upper
40s. Highs in the upper 70s.

$$

MOZ051-052-060-012100-
Montgomery MO-Lincoln MO-Warren MO-
858 AM CDT Thu Oct 1 2026

.TODAY...Cloudy. A chance of showers this morning, then showers
likely with a chance of thunderstorms this afternoon. Highs
around 80. Temperature falling into the mid 70s this afternoon.
South winds 5 to 10 mph, becoming southwest this afternoon. Gusts
up to 25 mph. Chance of rain 70 percent.
.TONIGHT...Showers with a chance of thunderstorms. Cooler with
lows in the upper 50s. North winds 5 to 10 mph. Gusts up to
30 mph after midnight. Chance of rain 90 percent.
.FRIDAY...Partly sunny with a slight chance of showers in the
morning, then sunny in the afternoon. Cooler with highs in the
upper 60s. Northeast winds 10 to 15 mph. Gusts up to 30 mph in
the morning. Chance of rain 20 percent.
.FRIDAY NIGHT...Mostly clear. Cooler with lows in the upper 40s.
Northeast winds 5 to 10 mph.
.SATURDAY...Sunny. Highs around 70. East winds around 5 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 50s.
Highs in the mid 70s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows in the upper
40s. Highs in the upper 60s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs around 70. Lows
in the lower 50s.
.WEDNESDAY...Sunny. Highs in the upper 70s.

$$

ILZ058-059-098-099-012100-
Greene IL-Macoupin IL-Calhoun IL-Jersey IL-
858 AM CDT Thu Oct 1 2026

.TODAY...Mostly cloudy. A chance of showers this morning, then
showers likely with a chance of thunderstorms this afternoon.
Highs in the lower 80s. Temperature falling into the upper 70s
this afternoon. South winds 10 to 15 mph, becoming southwest this
afternoon. Gusts up to 30 mph. Chance of rain 70 percent.
.TONIGHT...Showers with a chance of thunderstorms. Cooler with
lows in the upper 50s. North winds 5 to 10 mph with gusts up to
25 mph. Chance of rain 90 percent.
.FRIDAY...Partly sunny with a slight chance of showers in the
morning, then sunny in the afternoon. Much cooler. Less humid
with highs in the upper 60s. North winds 10 to 15 mph with gusts
up to 25 mph. Chance of rain 20 percent.
.FRIDAY NIGHT...Mostly clear. Cooler with lows in the upper 40s.
Northeast winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the lower 70s. East winds around
5 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows around 50. Highs
in the mid 70s.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Clear. Lows in the upper
40s. Highs around 70.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs around 70. Lows
around 50.
.WEDNESDAY...Sunny. Highs in the upper 70s.

$$

ILZ060-064-065-012100-
Montgomery IL-Bond IL-Fayette IL-
Including the cities of Litchfield and Vandalia
858 AM CDT Thu Oct 1 2026

.TODAY...Partly sunny this morning, then mostly cloudy with a
chance of showers with a slight chance of thunderstorms this
afternoon. Highs in the upper 80s. Temperature falling into the
lower 80s this afternoon. South winds 10 to 15 mph with gusts up
to 30 mph. Chance of rain 50 percent.
.TONIGHT...Showers with a chance of thunderstorms. Cooler with
lows in the lower 60s. Northwest winds 5 to 10 mph, becoming
north after midnight. Gusts up to 25 mph. Chance of rain
90 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then mostly sunny in the afternoon. Much cooler with highs in the
upper 60s. North winds 10 to 15 mph with gusts up to 25 mph.
Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly clear. Cooler with lows in the upper 40s.
Northeast winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the lower 70s. East winds 5 to
10 mph.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 40s.
Highs in the mid 70s.
.SUNDAY NIGHT AND MONDAY...Clear. Lows in the upper 40s. Highs
around 70.
.MONDAY NIGHT...Clear. Lows in the mid 40s.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the upper
60s. Lows in the upper 40s.
.WEDNESDAY...Sunny. Highs in the upper 70s.

$$

ILZ079-MOZ075-012100-
Randolph IL-Sainte Genevieve MO-
Including the cities of Chester and Sparta
858 AM CDT Thu Oct 1 2026

.TODAY...Partly sunny this morning, then mostly cloudy with a
slight chance of showers and thunderstorms this afternoon. Highs
in the upper 80s. South winds 10 to 15 mph with gusts up to
25 mph. Chance of rain 20 percent.
.TONIGHT...A slight chance of thunderstorms. A chance of showers
in the evening, then showers after midnight. Lows in the lower
60s. West winds 5 to 10 mph with gusts up to 20 mph, becoming
north after midnight. Chance of rain near 100 percent.
.FRIDAY...Mostly cloudy with showers with a slight chance of
thunderstorms in the morning, then partly sunny with a chance of
showers in the afternoon. Much cooler with highs in the upper
60s. North winds around 10 mph with gusts up to 20 mph. Chance of
rain 90 percent.
.FRIDAY NIGHT...Partly cloudy. Cooler. Less humid with lows in
the lower 50s. Northeast winds 5 to 10 mph.
.SATURDAY...Mostly sunny. Highs in the lower 70s. Northeast winds
5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the mid 70s.
Lows in the lower 50s.
.MONDAY THROUGH TUESDAY...Clear. Highs in the lower 70s. Lows in
the mid 40s.
.TUESDAY NIGHT...Mostly clear. Lows around 50.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.

$$

MOZ059-062-072-073-012100-
Gasconade MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Washington, Union, and Sullivan
858 AM CDT Thu Oct 1 2026

.TODAY...Mostly cloudy with a chance of showers. A chance of
thunderstorms this afternoon. Highs in the lower 80s. South winds
10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
.TONIGHT...Showers with a chance of thunderstorms. Cooler with
lows around 60. Northwest winds 5 to 10 mph, becoming north after
midnight. Gusts up to 25 mph. Chance of rain 90 percent.
.FRIDAY...Mostly cloudy with a chance of showers in the morning,
then mostly sunny with a slight chance of showers in the
afternoon. Much cooler with highs in the upper 60s. North winds
around 10 mph with gusts up to 25 mph. Chance of rain 50 percent.
.FRIDAY NIGHT...Mostly clear. Cooler with lows around 50.
Northeast winds 5 to 10 mph.
.SATURDAY...Sunny. Highs around 70. East winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the mid 70s.
Lows around 50.
.MONDAY THROUGH TUESDAY...Clear. Highs in the lower 70s. Lows in
the mid 40s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows in the lower
50s. Highs in the upper 70s.

$$

ILZ102-MOZ065-012100-
Monroe IL-Jefferson MO-
858 AM CDT Thu Oct 1 2026

.TODAY...Mostly cloudy. A chance of showers with a slight chance
of thunderstorms this afternoon. Highs in the upper 80s. South
winds 10 to 15 mph with gusts up to 25 mph. Chance of rain
40 percent.
.TONIGHT...A chance of thunderstorms. Showers, cooler with lows
in the lower 60s. Northwest winds around 5 mph, becoming north
after midnight. Chance of rain 90 percent.
.FRIDAY...Mostly cloudy with showers likely in the morning, then
mostly sunny with a slight chance of showers in the afternoon.
Much cooler with highs in the upper 60s. North winds 10 to 15 mph
with gusts up to 25 mph. Chance of rain 70 percent.
.FRIDAY NIGHT...Mostly clear. Cooler with lows in the lower 50s.
Northeast winds 5 to 10 mph.
.SATURDAY...Sunny. Highs in the lower 70s. Northeast winds around
5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the mid 70s.
Lows in the lower 50s.
.MONDAY THROUGH TUESDAY...Clear. Highs in the lower 70s. Lows in
the mid 40s.
.TUESDAY NIGHT...Mostly clear. Lows around 50.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.

$$